verb - to solve a problem or a code, especially after a lot of thought

adverb - in a way that relates to some things or people, and not others

adjective, formal - relating to a link between two things in which one causes the other

verb - to consider that something is caused, owned, or created by something or someone

adverb - in a way that can persuade a person to do or want something

adverb, formal - in a way that shows that you are not able to make decisions

noun, formal - the fact of not giving enough care or attention to someone or something

noun - the process of working for an organization to make political or social changes

noun, formal - a title used when you are speaking to or about a royal person

verb - to make some parts of your hair a different color than the rest

noun, British English - a person or an animal that is likely to become or do something

verb, technical - to develop a new form because of a permanent change in the genes

noun - (trademark) a device used to measure the amount of alcohol someone has drunk

noun - (trademark) a soft yellow substance made from oil, used to protect the skin

verb, British English - to make a country, system, etc. less powerful and established, by causing problems